71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
// Copyright (C) 2020 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Utility module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_INDEXBUFFER_HPP
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#define NAZARA_INDEXBUFFER_HPP
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#include <Nazara/Prerequisites.hpp>
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#include <Nazara/Utility/Buffer.hpp>
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namespace Nz
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{
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class NAZARA_UTILITY_API IndexBuffer
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{
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public:
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IndexBuffer() = default;
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IndexBuffer(bool largeIndices, std::shared_ptr<Buffer> buffer);
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IndexBuffer(bool largeIndices, std::shared_ptr<Buffer> buffer, std::size_t offset, std::size_t size);
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IndexBuffer(bool largeIndices, std::size_t length, DataStorage storage, BufferUsageFlags usage);
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IndexBuffer(const IndexBuffer&) = default;
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IndexBuffer(IndexBuffer&&) noexcept = default;
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~IndexBuffer() = default;
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unsigned int ComputeCacheMissCount() const;
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bool Fill(const void* data, std::size_t startIndex, std::size_t length);
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bool FillRaw(const void* data, std::size_t offset, std::size_t size);
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inline const std::shared_ptr<Buffer>& GetBuffer() const;
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inline std::size_t GetEndOffset() const;
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inline std::size_t GetIndexCount() const;
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inline std::size_t GetStride() const;
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inline std::size_t GetStartOffset() const;
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inline bool HasLargeIndices() const;
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inline bool IsValid() const;
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inline void* Map(BufferAccess access, std::size_t startVertex = 0, std::size_t length = 0);
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inline void* Map(BufferAccess access, std::size_t startVertex = 0, std::size_t length = 0) const;
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void* MapRaw(BufferAccess access, std::size_t offset = 0, std::size_t size = 0);
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void* MapRaw(BufferAccess access, std::size_t offset = 0, std::size_t size = 0) const;
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void Optimize();
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void Reset();
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void Reset(bool largeIndices, std::shared_ptr<Buffer> buffer);
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void Reset(bool largeIndices, std::shared_ptr<Buffer> buffer, std::size_t offset, std::size_t size);
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void Reset(bool largeIndices, std::size_t length, DataStorage storage, BufferUsageFlags usage);
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void Reset(const IndexBuffer& indexBuffer);
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void Unmap() const;
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IndexBuffer& operator=(const IndexBuffer&) = default;
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IndexBuffer& operator=(IndexBuffer&&) noexcept = default;
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private:
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std::shared_ptr<Buffer> m_buffer;
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std::size_t m_endOffset;
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std::size_t m_indexCount;
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std::size_t m_startOffset;
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bool m_largeIndices;
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};
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}
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#include <Nazara/Utility/IndexBuffer.inl>
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#endif // NAZARA_INDEXBUFFER_HPP
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